Cars are heavy machines, so how can a few small, pressurized tires support
their weight? Marshall Brain explains how tire pressure and contact patches
work in this episode.
Learn more about advertising on the HowStuffWorks podcasts at
[www.howstuffworks.com/advertisers.htm](http://www.howstuffworks.com/advertisers.htm)
And to learn about your ad choices when listening to podcasts, visit
Read more
Cars are heavy machines, so how can a few small, pressurized tires support
their weight? Marshall Brain explains how tire pressure and contact patches
work in this episode.
Learn more about advertising on the HowStuffWorks podcasts at
[www.howstuffworks.com/advertisers.htm](http://www.howstuffworks.com/advertisers.htm)
And to learn about your ad choices when listening to podcasts, visit
Read less